International Superstar Soccer is the name of a series of football video games developed by Japanese company Konami, mostly by their Osaka branch, Konami Computer Entertainment Osaka (KCEO). It should not be confused with Konami Computer Entertainment Tokyo's Pro Evolution Soccer series (also known as Winning Eleven), which was originally developed for the PlayStation. Titles in the ISS series appeared on Super Nintendo, Mega Drive, Nintendo 64, PlayStation, PlayStation 2, Xbox, Nintendo GameCube and PC formats. The series is known as Jikkyō World Soccer in Japan.